8170825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 11277056

約数和(自身を除く): 3106231

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 811, 2015, 4055, 10075, 10543, 20275, 25141, 52715, 125705, 263575, 326833, 628525, 1634165, 8170825]

約数ペア:

[(1, 8170825), (5, 1634165), (13, 628525), (25, 326833), (31, 263575), (65, 125705), (155, 52715), (325, 25141), (403, 20275), (775, 10543), (811, 10075), (2015, 4055)]